amass

devised
專門做來
a machine devised to generate electrostatic charge (van de Graff generator)

amass
聚攏, 積攢
amassed a fortune from shipping and railroads (Vanderbilt)

base
落腳
where he based himself in Genova and studied Titian (Van Dyck)

(from OERD)

reach

reach for his pipe
伸手去拿煙斗

reach to
my income would not reach to it
磬盡所入, 猶不可企及


reach = hand/pass 遞
reach me that book


react to/against/upon
how did they react to the news?
they react upon each other

react with
nitrous oxid reacts with the metal


(from OERD)

Ray

ray out/forth (v.)
(of light, thought, emotion, etc.)
放射

raze (v.) to the ground
(also rase) 夷平

Rayleigh scattering
It accounts, for example, for the blue colour of the sky, since blue light is scattered more efficiently than red.

razor-edge
found themselves on a razor-edge
(or razor's edge)

(from OERD 1995)